Speaker system

Details Speaker system Speaker system

1985-06-20

1986-09-16

Fuller, Benjamin R.

Acoustics

Diaphragm and enclosure

Reflex baffle

181199, H05K 500

Patent

active

046116869

ABSTRACT:
A speaker system includes an enclosure having a port from which a duct extends into the interior of the enclosure. A board having a smaller area than the cross-sectional area of at least the exit of the duct is mounted to block the port except a slight slit defined by the entire circumferential edge of the board and the opposed inner wall of the duct, so that the slight slit serves as a pressure duct whereas the remainder of the duct serves as a guide duct.

REFERENCES:
patent: 2205804 (1940-06-01), Wells
patent: 3952159 (1976-04-01), Schott
patent: 4135600 (1979-01-01), Ogi et al.
patent: 4413703 (1983-11-01), Kato et al.

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